305713086 has 16 divisors (see below), whose sum is σ = 698772864. Its totient is φ = 87346584.

The previous prime is 305713073. The next prime is 305713127. The reversal of 305713086 is 680317503.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3639400 + ... + 3639483.

It is an arithmetic number, because the mean of its divisors is an integer number (43673304).

Almost surely, 2^305713086 is an apocalyptic number.

305713086 is an abundant number, since it is smaller than the sum of its proper divisors (393059778).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

305713086 is a wasteful number, since it uses less digits than its factorization.

305713086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7278895.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 305713086 is about 17484.6528704461. The cubic root of 305713086 is about 673.6557323396.

The spelling of 305713086 in words is "three hundred five million, seven hundred thirteen thousand, eighty-six".